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1 /* |
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2 * Copyright 2008 Sun Microsystems, Inc. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test 6716452 |
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26 * @summary need a method to get an index of an attribute |
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27 */ |
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28 |
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29 import java.io.*; |
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30 import com.sun.tools.classfile.*; |
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31 |
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32 public class T6716452 { |
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33 public static void main(String[] args) throws Exception { |
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34 new T6716452().run(); |
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35 } |
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36 |
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37 public void run() throws Exception { |
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38 File javaFile = writeTestFile(); |
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39 File classFile = compileTestFile(javaFile); |
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40 |
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41 ClassFile cf = ClassFile.read(classFile); |
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42 for (Method m: cf.methods) { |
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43 test(cf, m); |
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44 } |
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45 |
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46 if (errors > 0) |
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47 throw new Exception(errors + " errors found"); |
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48 } |
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49 |
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50 void test(ClassFile cf, Method m) { |
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51 test(cf, m, Attribute.Code, Code_attribute.class); |
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52 test(cf, m, Attribute.Exceptions, Exceptions_attribute.class); |
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53 } |
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54 |
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55 // test the result of Attributes.getIndex according to expectations |
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56 // encoded in the method's name |
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57 void test(ClassFile cf, Method m, String name, Class<?> c) { |
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58 int index = m.attributes.getIndex(cf.constant_pool, name); |
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59 try { |
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60 String m_name = m.getName(cf.constant_pool); |
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61 System.err.println("Method " + m_name + " name:" + name + " index:" + index + " class: " + c); |
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62 boolean expect = (m_name.equals("<init>") && name.equals("Code")) |
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63 || (m_name.indexOf(name) != -1); |
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64 boolean found = (index != -1); |
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65 if (expect) { |
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66 if (found) { |
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67 Attribute attr = m.attributes.get(index); |
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68 if (!c.isAssignableFrom(attr.getClass())) { |
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69 error(m + ": unexpected attribute found," |
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70 + " expected " + c.getName() |
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71 + " found " + attr.getClass().getName()); |
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72 } |
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73 } else { |
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74 error(m + ": expected attribute " + name + " not found"); |
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75 } |
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76 } else { |
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77 if (found) { |
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78 error(m + ": unexpected attribute " + name); |
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79 } |
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80 } |
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81 } catch (ConstantPoolException e) { |
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82 error(m + ": " + e); |
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83 } |
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84 } |
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85 |
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86 File writeTestFile() throws IOException { |
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87 File f = new File("Test.java"); |
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88 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); |
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89 out.println("abstract class Test { "); |
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90 out.println(" abstract void m();"); |
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91 out.println(" void m_Code() { }"); |
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92 out.println(" abstract void m_Exceptions() throws Exception;"); |
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93 out.println(" void m_Code_Exceptions() throws Exception { }"); |
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94 out.println("}"); |
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95 out.close(); |
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96 return f; |
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97 } |
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98 |
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99 File compileTestFile(File f) { |
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100 int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() }); |
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101 if (rc != 0) |
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102 throw new Error("compilation failed. rc=" + rc); |
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103 String path = f.getPath(); |
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104 return new File(path.substring(0, path.length() - 5) + ".class"); |
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105 } |
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106 |
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107 void error(String msg) { |
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108 System.err.println("error: " + msg); |
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109 errors++; |
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110 } |
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111 |
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112 int errors; |
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113 } |